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(parent: 32975a4) | patch
perf, x86, Do not user perf_disable from NMI context
authorPeter Zijlstra <a.p.zijlstra@chello.nl>
Mon, 8 Mar 2010 12:51:01 +0000 (13:51 +0100)
committerIngo Molnar <mingo@elte.hu>
Wed, 10 Mar 2010 12:22:26 +0000 (13:22 +0100)
commit3fb2b8ddcc6a7aa62af6bd2cb939edfd4c460506
treee86a4fc239653fe55d448d28f1841fb9875fe102tree | snapshot
parent32975a4f114be52286f9a5bf6c230dbb8c0e1903commit | diff
perf, x86, Do not user perf_disable from NMI context

Explicitly use intel_pmu_{disable,enable}_all() in intel_pmu_handle_irq()
to avoid the NMI race conditions in perf_{disable,enable}

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Arnaldo Carvalho de Melo <acme@infradead.org>
Cc: paulus@samba.org
Cc: eranian@google.com
Cc: robert.richter@amd.com
Cc: fweisbec@gmail.com
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
arch/x86/kernel/cpu/perf_event_intel.c diff | blob | history
Full containers within linux kernel